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Old 01-28-2022, 10:44 AM
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azrv6 azrv6 is offline
Join Date: Mar 2006
Posts: 341

From the Discovery ADSB user/Installation manual on GRT's website:

"For maximum sensitivity, an external antenna is recommended. Although an antenna is included with the receiver, any external antenna designed for ADS-B may be used."
Dave Binkley
RV-6, O-360-A1A, C/S
1932 Monocoupe 110, Warner 145 (
Sedona, AZ
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